Matching Pairs Unit 6_Energy_1Online version Energy by David Tordesillas 1 Biomass 2 Solar, wind, water, biomass and geothermal 3 Geothermal energy 4 Light energy 5 Water energy 6 Wind energy 7 Sound energy 8 Solar energy 9 Renewable energy sources This energy can be natural or artificial This energy comes from a source that produces vibrations This energy is the cleanest source of energy Renewable energy sources This energy can contributes to deforestation and global warming This energy is heat that comes from the centre of the Earth It is the most efficient energy and does not cause pollution These sources do not run out when we use them It can damage wildlife habitats and bird populations